I just skimmed the replies, so I apologize if someone mentioned this already.
In addition to the issues regarding the embryos, etc, there is also the issue of how the husband and wife create the child. It is not unitive. The child is made in a petri dish.
Does the petri dish carry the "child" to term. The medical term is a zygote at that stage of growth, then fetus, most women call it a baby at its implantation. I don't call a pregnancy a fetus, it is a baby. but that is just my opinion.